Design Engineer II (Thermal Sensor Products)

Join UCT and be part of the fastest-growing sector in the world! We indirectly touch every semiconductor chip that goes into every smartphone, smart car, and device that uses artificial intelligence. This is a critical time for the semiconductor industry and for UCT - as technology evolves, we evolve with it. UCT is a diverse workplace where every talented employee is committed to continuous innovation, challenging the status quo and exceeding customer expectations. If you are a person with a relentless drive to succeed, a strong focus on quality with a passion for success – join us today!  

UCT is looking for a talented Design Engineer II to join us in Hayward, CA!

 Design Engineer II is responsible for supporting the design, development, and implementation of custom temperature sensing solutions for semiconductor and advanced manufacturing applications. The role will focus on temperature measurement products and assemblies, including thermocouples and other temperature sensing technologies used in gas and liquid delivery systems. Working under the guidance of senior engineering staff, the Design Engineer II will contribute to product development, documentation, testing, and manufacturing support activities.

Essential Duties and Responsibilities:

• Supports the design and development of temperature sensing solutions and related assemblies using CAD software to execute designs.


• Assists in the creation of product drawings, assemblies, bills of material (BOMs), and engineering documentation.


• Reviews customer specifications, engineering drawings, and technical requirements to support product design and application feasibility.


• Collaborate with internal account managers, manufacturing personnel, and engineering teams to ensure products meet customer requirements.


• Supports prototype fabrication, testing, validation, and product qualification activities.


• Assists manufacturing with troubleshooting, continuous improvement initiatives, and resolution of product-related issues.


• Participates in design review meetings and follows product development and NPI processes.


• Works closely with senior engineers to develop technical knowledge of temperature sensing products and applications.


• Supports engineering change activities, documentation updates, and product lifecycle management processes.


• Participates in technical discussions with customers, suppliers, and cross-functional teams as experience develops.

Other Duties 

Please note this job description is not designed to cover or contain a comprehensive list of activities, duties or responsibilities that are required of the employee for this job. Duties, responsibilities and activities may change at any time with or without notice.

Knowledge, Skills and Abilities:

• Strong mechanical aptitude and willingness to learn manufacturing processes and engineering principles.


• Strong verbal and written communication skills in English.


• Customer focused mindset with the ability to work effectively in a team environment.


• Working knowledge of CAD software, including:


• Autodesk Inventor


• AutoCAD


• SolidWorks


• Familiarity with engineering documentation and product lifecycle management systems.


• Working knowledge of Microsoft Office Suite.


• Ability to analyze technical drawings, specifications, and customer requirements.


• Basic understanding of materials, manufacturing processes, and measurement principles.


• Knowledge of temperature sensing technologies, instrumentation, thermal systems, or process control applications is preferred.


• Ability to work effectively with operations, quality, supply chain, and manufacturing teams.


• Experience with Agile PLM, SAP, or similar systems is preferred.

Educational/Certification Requirement:

• Bachelor's degree in Mechanical Engineering, Electrical Engineering, Manufacturing Engineering, or related engineering discipline preferred.


• Equivalent combination of education and relevant technical experience may be considered..

Experience Requirement:

Work Experience:

• 2-3 years of engineering design experience in semiconductor capital equipment, industrial instrumentation, thermal products, sensors, manufacturing, or related industries.


• Previous experience with temperature sensing devices, thermocouples, RTDs, instrumentation, or control systems is preferred but not required.


• Internship, co-op, laboratory, or project experience involving product design, testing, or manufacturing support is desirable.


• Experience in a custom, engineer to order, or high mix manufacturing environment is a plus.

Physical Demands and Working Conditions:

Work Environment: 

• Reasonable accommodation may be made to enable individuals with disabilities to perform the essential functions.


• Ability to operate successfully in a fast-paced engineering and manufacturing environment.


• Fluent in verbal and written English.


• Ability to collaborate with teams across different locations and time zones.

Physical Demands: 

• Work may require the ability to lift 10-20 pounds infrequently.


• Ability to attend meetings and use a computer for extended periods of time.


• Occasional shop, floor, and manufacturing support activities may be required.

Environmental Exposure: 

• May involve exposure to moderate noise levels from manufacturing process equipment.


• May have exposure to manufacturing materials including silicones, fiberglass, epoxies, and other production-related materials.

Overnight Travel:  

• Valid passport preferred or ability to obtain one.


• Occasional domestic or international travel for training, customer visits, or engineering support activities may be required.


• Travel is expected to be limited and dependent on business needs.

Role Progression Expectations: 

The Design Engineer II role is intended to develop technical expertise in temperature sensing products and semiconductor applications. The position will progressively assume greater responsibility for product design, customer support, testing, and project ownership while developing toward a senior engineering role.

Ultra Clean Technology is proud to be an equal-opportunity employer. We are committed to equal employment opportunity regardless of race, color, national or ethnic origin, age, religion, disability, sexual orientation, gender, gender identity and expression, marital status, and any other characteristic protected under laws and regulations.

The pay range for this position at commencement of employment is expected to be between $74,900.00 and $120,000.00/year; however, base pay offered may vary depending on multiple individualized factors, including market location, job-related knowledge, skills, and experience. The total compensation package for this position may also include other elements, including variable pay and discretionary awards in addition to a full range of medical, financial, and/or other benefits (including 401(k) eligibility and various paid time off benefits, such as PTO (Paid Time Off) and parental leave), dependent on the position offered. Details of participation in these additional compensation and benefit plans will be provided if an employee receives an offer of employment.  

If hired, employee will be in an “at-will position” and the Company reserves the right to modify base salary (as well as any other discretionary payment or compensation program) at any time, including for reasons related to individual performance, Company or individual department/team performance, and market factors.